Home / 22,382.06-30,887.73-12,311.01

Finding the Fourth Proportional to 22,382.06, 30,887.73 and 12,311.01

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Solution

The fourth proportional to 22,382.06, 30,887.73 and 12,311.01 is: 16,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.06 : 30,887.73 = 12,311.01 : x
  2. Step 2: Convert to fraction form
    22,382.06/30,887.73 = 12,311.01/x
  3. Step 3: Cross multiply
    22,382.06x = 30,887.73 × 12,311.01
  4. Step 4: Simplify right side
    22,382.06x = 380,259,152.91
  5. Step 5: Solve for x
    x = 380,259,152.91/22,382.06
  6. Step 6: Final answer
    x = 16,989.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.